/Engine/Source/Runtime/Engine/Public/Rendering/SkinWeightVertexBuffer.h
Should only be called for legacy meshes or meshes that don't really have a LookupVertexBuffer, for example created in realtime. All variable influence meshes imported after theFAnimObjectVersion::UnlimitedBoneInfluencesversion already have a LookupVertexBuffer
void RebuildLookupVertexBuffer()